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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/4186

Title: Influência dos sistemas de condução e da prohexadiona-cálcio na produtividade da pereira Rocha
Other Titles: Training systems and prohexadione-calcium effect on vegetative growth and yield of Rocha pear
Authors: Ribeiro, Joana Sofia Santos Vidal
Advisor: Oliveira, Cristina Maria Moniz Simões
Mota, Mariana Gomes
Keywords: Pyrus communis
Rocha pear
vertical axis
Issue Date: 2011
Publisher: ISA/UTL
Citation: Ribeiro, Joana Sofia Santos Vidal - Influência dos sistemas de condução e da prohexadiona-cálcio na produtividade em peeira Rocha. Lisboa: ISA, 2011
Abstract: Vegetative and reproductive aspects of 5 year old orchard of Rocha 'pear on Sydo rootstock trained in Vertical Axis, Palmette with 3 axes, Solaxe and Tatura systems were evaluated. Yield per hectare showed a large increase in 2011 compared with 2010, Vertical axis yield 88 tha-1, Palmette 66 tha-1, Solaxe 76 tha-1and Tatura 84 tha-1. Fruit thinning was not done. Palmette was the system whose branches had lower cross-sectional area and length, lower fruit production and lower fruit set and fruit drop, however it was the only one with the highest percentage (52%) of fruit diameter greater than 60 mm. Average fruit diameter was similar for Vertical Axis, Solaxe and Tatura (50.1, 50.2 and 48.3 mm) and statistically different for the Palmette system (53.6 mm). Highest values of TSS of the fruits were observed for the Palmette (12.1%) and Tatura (11.7%) and lowest for the vertical axis (11.6%) and Solaxe systems (11.2%). Prohexadione-calcium (150 gha-1) did not have an effect on the number, length and diameter of crowned brindles; the observed differences were due to the training systems. In the 5th year, the orchard has had positive net income, not considering fruit size and TSS, the most profitable is the Vertical Axis and the less profitable is the Palmette system.
Description: Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/4186
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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